Vacationers on motorcycles, 05/1972. Photographer: Norton, Boyd. Original public domain image from Flickr https://www.rawpixel.com/image/8765661/photo-image-vintage-mountain-travelFree Image from public domain licenseDandelion Colorado--Uncompahgre National Forest. Original public domain image from Flickr https://www.rawpixel.com/image/8799372/photo-image-flower-plant-public-domainFree Image from public domain licenseForest of aspens at Owl Creek Pass, 05/1972. Photographer: Norton, Boyd. Original public domain image from Flickr https://www.rawpixel.com/image/8799850/photo-image-plant-tree-public-domainFree Image from public domain licenseHarmless bull snake. Great Sand Dunes National Monument. Original public domain image from Flickr https://www.rawpixel.com/image/8799856/photo-image-public-domain-animalFree Image from public domain licenseCliff Palace was once a village of over 200 rooms and 23 kivas (ceremonial spaces), 05/1972. Photographer: Norton, Boyd.… https://www.rawpixel.com/image/8799837/photo-image-public-domain-nature-brickFree Image from public domain licenseColorado--Uncompahgre National Forest, 05/1972. Photographer: Norton, Boyd. Original public domain image from Flickr https://www.rawpixel.com/image/8799855/photo-image-face-plant-treeFree Image from public domain licenseMule deer. Great Sand Dunes National Monument. Original public domain image from Flickr https://www.rawpixel.com/image/8799755/photo-image-public-domain-nature-animalFree Image from public domain licenseEast Dallas Creek, 05/1972. Original public domain image from Flickr https://www.rawpixel.com/image/8799898/photo-image-public-domain-mountain-natureFree Image from public domain licenseSign in a restroom along Interstate 25 south of Colorado Springs, Colorado, warns that water is undrinkable, 04/1974.… https://www.rawpixel.com/image/8799708/photo-image-public-domain-banner-alphabetFree Image from public domain licenseGreat Sand Dunes National Monument. Original public domain image from Flickr https://www.rawpixel.com/image/8799848/photo-image-public-domain-nature-grassFree Image from public domain licenseTravel plan Instagram post template design https://www.rawpixel.com/image/14930243/travel-plan-instagram-post-template-designView licenseGreat Sand Dunes National Monument, 05/1972. Photographer: Norton, Boyd. Original public domain image from Flickr https://www.rawpixel.com/image/8799836/photo-image-public-domain-mountain-natureFree Image from public domain licenseFour stories high, square tower house, was built about 800 years ago in a shallow cave of Navajo Canyon, 05/1972.… https://www.rawpixel.com/image/8799830/photo-image-public-domain-house-natureFree Image from public domain licenseBarrel cactus in bloom. Hovenweep National Monument. Original public domain image from Flickr https://www.rawpixel.com/image/8799683/photo-image-flower-plant-public-domainFree Image from public domain licenseWhite canyon, near the Sipapu Bridge Natural Bridges National Monument, 05/1972. Photographer: Norton, Boyd. Original public… https://www.rawpixel.com/image/8799831/photo-image-plant-tree-skyFree Image from public domain licenseEast Dallas Creek, 05/1972. Photographer: Norton, Boyd. Original public domain image from Flickr https://www.rawpixel.com/image/8799829/photo-image-public-domain-mountain-oceanFree Image from public domain licenseEast Dallas Creek, 05/1972. Photographer: Norton, Boyd. Original public domain image from Flickr https://www.rawpixel.com/image/8799828/photo-image-plant-tree-public-domainFree Image from public domain licenseAlpine meadow, 05/1972. Photographer: Norton, Boyd. Original public domain image from Flickr https://www.rawpixel.com/image/8802694/photo-image-flower-plant-treeFree Image from public domain licenseModern graffiti carved into rock near Cliff Palace, 05/1972. Photographer: Norton, Boyd. Original public domain image from… https://www.rawpixel.com/image/8802692/photo-image-texture-art-brickFree Image from public domain licenseNear East Dallas Creek, 05/1972. Photographer: Norton, Boyd. Original public domain image from Flickr https://www.rawpixel.com/image/8802688/photo-image-flower-plant-natureFree Image from public domain licenseShiprock in smog - photographed from Mesa Verde, 05/1972. Photographer: Norton, Boyd. Original public domain image from… https://www.rawpixel.com/image/8802708/photo-image-cloud-sunset-skyFree Image from public domain licenseBarrel cactus. Hovenweep National Monument, 05/1972. Photographer: Norton, Boyd. Original public domain image from Flickr https://www.rawpixel.com/image/8802551/photo-image-plant-nature-redFree Image from public domain licenseGreat Sand Dunes National Monument, 05/1972. Photographer: Norton, Boyd. Original public domain image from Flickr https://www.rawpixel.com/image/8802697/photo-image-plant-tree-wolfFree Image from public domain licenseExposed root system at eroded bank. Hovenweep National Monument, 05/1972. Photographer: Norton, Boyd. Original public domain… https://www.rawpixel.com/image/8802984/photo-image-plant-tree-natureFree Image from public domain licenseMt. Wilson and West Dolores River, 05/1972. Photographer: Norton, Boyd. Original public domain image from Flickr https://www.rawpixel.com/image/8803011/photo-image-clouds-plant-skyFree Image from public domain licenseSouth fork of Rio Grande River near Wolf Creek Pass, 05/1972. Photographer: Norton, Boyd. Original public domain image from… https://www.rawpixel.com/image/8802878/photo-image-ocean-nature-waterFree Image from public domain licenseGreat Sand Dunes National Monument, 05/1972. Photographer: Norton, Boyd. Original public domain image from Flickr https://www.rawpixel.com/image/8802869/photo-image-mountain-nature-landscapeFree Image from public domain licenseEroded sandstone, part of Indian ruins dating from 1100 to 1300 A.D., 05/1972. Photographer: Norton, Boyd. Original public… https://www.rawpixel.com/image/8802994/photo-image-nature-brick-soilFree Image from public domain licenseView of Colorado's front range beyond urban and industrial sprawl, 05/1975. Photographer: Norton, Boyd. Original public… https://www.rawpixel.com/image/8802830/photo-image-person-vintage-cityFree Image from public domain licenseThunderclouds over grassy plateau, 05/1972. Photographer: Norton, Boyd. Original public domain image from Flickr https://www.rawpixel.com/image/8802870/photo-image-cloud-plant-personFree Image from public domain licenseGrass mounds, 05/1972. Photographer: Norton, Boyd. Original public domain image from Flickr https://www.rawpixel.com/image/8802875/photo-image-grass-mountain-natureFree Image from public domain licenseMoon over forest, 05/1972. Photographer: Norton, Boyd. Original public domain image from Flickr https://www.rawpixel.com/image/8802860/photo-image-moon-space-treesFree Image from public domain licenseCliff Palace - first major Indian ruins discovered in the Mesa Verde, 05/1972. Photographer: Norton, Boyd. Original public… https://www.rawpixel.com/image/8803005/photo-image-art-light-woodFree Image from public domain licenseForest near Wolf Creek Pass, 05/1972. Photographer: Norton, Boyd. Original public domain image from Flickr https://www.rawpixel.com/image/8802887/photo-image-plant-tree-wolfFree Image from public domain licenseCliff Palace is the largest ruin discovered in Mesa Verde. It was once a village of over 200 rooms and 23 kivas (ceremonial… https://www.rawpixel.com/image/8802879/photo-image-trees-soil-constructionFree Image from public domain licenseCaterpillars in flowering tree, 05/1972. Photographer: Norton, Boyd. Original public domain image from Flickr https://www.rawpixel.com/image/8803013/photo-image-flower-plant-leafFree Image from public domain licenseCliff Palace is the largest remaining village of the pre-Columbian Indians. They lived in the Mesa Verde area until drought… https://www.rawpixel.com/image/8802872/photo-image-brick-wall-windowFree Image from public domain licenseHovenweep National Monument, 05/1972. Photographer: Norton, Boyd. Original public domain image from Flickr https://www.rawpixel.com/image/8802980/photo-image-paper-flower-plantFree Image from public domain license